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OpenStudy (anonymous):
https://clackamasweb.owschools.com/media/g_ima01_2014/3/groupi74.gif Find the area of one of the lateral faces of the pyramid shown. sqrt 7 3 sqrt 10 sqrt 13
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OpenStudy (anonymous):
@563blackghost
OpenStudy (anonymous):
notice that: |dw:1432247757858:dw| then use pythagoras and triangle área formulas
OpenStudy (anonymous):
sqrt 7?
OpenStudy (anonymous):
|dw:1432247952220:dw|
OpenStudy (anonymous):
so its sqrt 10?
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OpenStudy (anonymous):
thats the hight of the triangular side. To find the área of that side use 1/2*base*hight formula
OpenStudy (anonymous):
1/2*2*sqrt10=sqrt10
OpenStudy (anonymous):
thanks
OpenStudy (anonymous):
yw
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